[INFO] cloning repository https://github.com/kballard/alfred-unicode-info
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/kballard/alfred-unicode-info" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkballard%2Falfred-unicode-info", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkballard%2Falfred-unicode-info'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] d355d5565e4664de1b4de5fd8515a24ca9de056e
[INFO] testing kballard/alfred-unicode-info against 1.45.2 for beta-1.46-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkballard%2Falfred-unicode-info" "/workspace/builds/worker-7/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/kballard/alfred-unicode-info on toolchain 1.45.2
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.45.2" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/kballard/alfred-unicode-info
[INFO] finished tweaking git repo https://github.com/kballard/alfred-unicode-info
[INFO] tweaked toml for git repo https://github.com/kballard/alfred-unicode-info written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate git repo https://github.com/kballard/alfred-unicode-info already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.45.2" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+1.45.2" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 8cfb02d476462606845b173a316af468e7987197dffecc3ebe3a840a4e3dc25b
[INFO] running `Command { std: "docker" "start" "-a" "8cfb02d476462606845b173a316af468e7987197dffecc3ebe3a840a4e3dc25b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8cfb02d476462606845b173a316af468e7987197dffecc3ebe3a840a4e3dc25b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8cfb02d476462606845b173a316af468e7987197dffecc3ebe3a840a4e3dc25b", kill_on_drop: false }`
[INFO] [stdout] 8cfb02d476462606845b173a316af468e7987197dffecc3ebe3a840a4e3dc25b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+1.45.2" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e42950fa499b05205013746ac5f4393a43a3596be7c9b854f734dac6a1eefa20
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "e42950fa499b05205013746ac5f4393a43a3596be7c9b854f734dac6a1eefa20", kill_on_drop: false }`
[INFO] [stderr]    Compiling num-traits v0.1.40
[INFO] [stderr]    Compiling serde v1.0.11
[INFO] [stderr]    Compiling itoa v0.3.1
[INFO] [stderr]    Compiling dtoa v0.4.1
[INFO] [stderr]    Compiling unicode v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling libc v0.2.28
[INFO] [stderr]    Compiling serde_json v1.0.2
[INFO] [stderr]    Compiling alfred v4.0.0
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]   --> src/main.rs:29:16
[INFO] [stdout]    |
[INFO] [stdout] 29 |             if try!(handle_codepoint(code)) {
[INFO] [stdout]    |                ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]   --> src/main.rs:52:20
[INFO] [stdout]    |
[INFO] [stdout] 52 |     let mut xmlw = try!(alfred::XMLWriter::new(io::stdout()));
[INFO] [stdout]    |                    ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]   --> src/main.rs:63:5
[INFO] [stdout]    |
[INFO] [stdout] 63 |     try!(xmlw.write_item(&item));
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]   --> src/main.rs:65:22
[INFO] [stdout]    |
[INFO] [stdout] 65 |     let mut stdout = try!(xmlw.close());
[INFO] [stdout]    |                      ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]   --> src/main.rs:66:5
[INFO] [stdout]    |
[INFO] [stdout] 66 |     try!(stdout.flush());
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]   --> src/main.rs:72:20
[INFO] [stdout]    |
[INFO] [stdout] 72 |     let mut xmlw = try!(alfred::XMLWriter::new(io::stdout()));
[INFO] [stdout]    |                    ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]   --> src/main.rs:91:9
[INFO] [stdout]    |
[INFO] [stdout] 91 |         try!(xmlw.write_item(&item));
[INFO] [stdout]    |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]   --> src/main.rs:94:22
[INFO] [stdout]    |
[INFO] [stdout] 94 |     let mut stdout = try!(xmlw.close());
[INFO] [stdout]    |                      ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stdout]   --> src/main.rs:95:5
[INFO] [stdout]    |
[INFO] [stdout] 95 |     try!(stdout.flush());
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: linking with `cc` failed: exit code: 1
[INFO] [stdout]   |
[INFO] [stdout]   = note: "cc" "-Wl,--as-needed" "-Wl,-z,noexecstack" "-m64" "-L" "/opt/rustwide/rustup-home/toolchains/1.45.2-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib" "/opt/rustwide/target/debug/deps/unicode-dab3b000dabe1ef0.unicode.948mwf6y-cgu.0.rcgu.o" "/opt/rustwide/target/debug/deps/unicode-dab3b000dabe1ef0.unicode.948mwf6y-cgu.1.rcgu.o" "/opt/rustwide/target/debug/deps/unicode-dab3b000dabe1ef0.unicode.948mwf6y-cgu.10.rcgu.o" "/opt/rustwide/target/debug/deps/unicode-dab3b000dabe1ef0.unicode.948mwf6y-cgu.11.rcgu.o" "/opt/rustwide/target/debug/deps/unicode-dab3b000dabe1ef0.unicode.948mwf6y-cgu.12.rcgu.o" "/opt/rustwide/target/debug/deps/unicode-dab3b000dabe1ef0.unicode.948mwf6y-cgu.13.rcgu.o" "/opt/rustwide/target/debug/deps/unicode-dab3b000dabe1ef0.unicode.948mwf6y-cgu.14.rcgu.o" "/opt/rustwide/target/debug/deps/unicode-dab3b000dabe1ef0.unicode.948mwf6y-cgu.15.rcgu.o" "/opt/rustwide/target/debug/deps/unicode-dab3b000dabe1ef0.unicode.948mwf6y-cgu.2.rcgu.o" "/opt/rustwide/target/debug/deps/unicode-dab3b000dabe1ef0.unicode.948mwf6y-cgu.3.rcgu.o" "/opt/rustwide/target/debug/deps/unicode-dab3b000dabe1ef0.unicode.948mwf6y-cgu.4.rcgu.o" "/opt/rustwide/target/debug/deps/unicode-dab3b000dabe1ef0.unicode.948mwf6y-cgu.5.rcgu.o" "/opt/rustwide/target/debug/deps/unicode-dab3b000dabe1ef0.unicode.948mwf6y-cgu.6.rcgu.o" "/opt/rustwide/target/debug/deps/unicode-dab3b000dabe1ef0.unicode.948mwf6y-cgu.7.rcgu.o" "/opt/rustwide/target/debug/deps/unicode-dab3b000dabe1ef0.unicode.948mwf6y-cgu.8.rcgu.o" "/opt/rustwide/target/debug/deps/unicode-dab3b000dabe1ef0.unicode.948mwf6y-cgu.9.rcgu.o" "-o" "/opt/rustwide/target/debug/deps/unicode-dab3b000dabe1ef0" "/opt/rustwide/target/debug/deps/unicode-dab3b000dabe1ef0.3lxaatghaaggazg2.rcgu.o" "-Wl,--gc-sections" "-pie" "-Wl,-zrelro" "-Wl,-znow" "-nodefaultlibs" "-L" "/opt/rustwide/target/debug/deps" "-L" "/opt/rustwide/rustup-home/toolchains/1.45.2-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib" "-licucore" "-Wl,-Bstatic" "/opt/rustwide/target/debug/deps/liblibc-81ef6187669f1ace.rlib" "/opt/rustwide/target/debug/deps/libalfred-3fa85e257be91a10.rlib" "/opt/rustwide/target/debug/deps/libserde_json-fcf63b9c02126bbd.rlib" "/opt/rustwide/target/debug/deps/libdtoa-123c4119053f8979.rlib" "/opt/rustwide/target/debug/deps/libitoa-ce1762eb9e80993c.rlib" "/opt/rustwide/target/debug/deps/libserde-e46f22943579a8db.rlib" "/opt/rustwide/target/debug/deps/libnum_traits-1d53bb2f56433574.rlib" "-Wl,--start-group" "/opt/rustwide/rustup-home/toolchains/1.45.2-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libstd-8bb11f807a7b6b4c.rlib" "/opt/rustwide/rustup-home/toolchains/1.45.2-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libpanic_unwind-ca8087507780d964.rlib" "/opt/rustwide/rustup-home/toolchains/1.45.2-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libhashbrown-259c92b387c1c166.rlib" "/opt/rustwide/rustup-home/toolchains/1.45.2-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_alloc-16e0a2fbbb8e14b3.rlib" "/opt/rustwide/rustup-home/toolchains/1.45.2-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libbacktrace-8a1651b8e23d2aaf.rlib" "/opt/rustwide/rustup-home/toolchains/1.45.2-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libbacktrace_sys-23bdd98b0574083e.rlib" "/opt/rustwide/rustup-home/toolchains/1.45.2-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_demangle-855a92055ec33e2e.rlib" "/opt/rustwide/rustup-home/toolchains/1.45.2-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libunwind-24c70dd44fbacdfb.rlib" "/opt/rustwide/rustup-home/toolchains/1.45.2-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcfg_if-b326273841bae587.rlib" "/opt/rustwide/rustup-home/toolchains/1.45.2-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/liblibc-ac3c1f0e16507051.rlib" "/opt/rustwide/rustup-home/toolchains/1.45.2-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/liballoc-a5729542b65954aa.rlib" "/opt/rustwide/rustup-home/toolchains/1.45.2-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_core-09bd1119ab1cad7d.rlib" "/opt/rustwide/rustup-home/toolchains/1.45.2-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcore-9a787681bfbeaf61.rlib" "-Wl,--end-group" "/opt/rustwide/rustup-home/toolchains/1.45.2-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcompiler_builtins-5a0398ee67f74664.rlib" "-Wl,-Bdynamic" "-lutil" "-ldl" "-lrt" "-lpthread" "-lgcc_s" "-lc" "-lm" "-lrt" "-lpthread" "-lutil" "-ldl" "-lutil"
[INFO] [stdout]   = note: /usr/bin/ld: cannot find -licucore
[INFO] [stdout]           collect2: error: ld returned 1 exit status
[INFO] [stdout]           
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error; 9 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `unicode`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `Command { std: "docker" "inspect" "e42950fa499b05205013746ac5f4393a43a3596be7c9b854f734dac6a1eefa20", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e42950fa499b05205013746ac5f4393a43a3596be7c9b854f734dac6a1eefa20", kill_on_drop: false }`
[INFO] [stdout] e42950fa499b05205013746ac5f4393a43a3596be7c9b854f734dac6a1eefa20